<!DOCTYPE html>
<html style="background-color: blue;">
<head>
<script type="text/javascript"> 
window.onload = function() {
    if (window.internals) {
        internals.setPageScaleFactorLimits(0.25, 0.25);
        internals.setPageScaleFactor(0.25);
    }
}
</script> 
</head>
<body style="margin:0; overflow: hidden; width: 4000px; height: 4000px">
    <div style="background-color: green; width: 100vw; height: 100px;"></div>
</body>
</html>
